Lentgh of ESA appeal letter

Hi Im struggling not to make this many pages long, is there an advisable limit?

There is no advisable limit.
We recommend putting down everything that affects you and has a bearing on your application.
The longer the better is our advice.

Ok then Ill go with my original, my mandatory reconsideration letter was about 15 pages and disregarded, so ill use that as the basis, thanks